body {
    font-family: 'Advent Pro', sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #333;
}
*{
box-sizing:border-box;
}
/* Header με νέο background */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: #a0cfbb; /* νέο χρώμα */
    color: black;
    position: relative;
}

header, footer {
    font-family: 'Advent Pro', sans-serif;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
}

header nav {
    display: flex;
    gap: 20px;
}

header nav a {
    color: black;
    text-decoration: none;
    font-weight: 500;
}

/* Hamburger icon - αρχικά κρυφό */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background: white;
}

/* Responsive για κινητά */
@media (max-width: 768px) {
    header nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;             
    width: 100%;         
    background: #444;
    padding: 15px 0;     
    border-radius: 0;    
    gap: 0;              
    z-index: 1000;
}

header nav a {
    padding: 15px 20px;  
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

header nav a:last-child {
    border-bottom: none;
}

    header nav.show {
        display: flex;
    }

    .hamburger {
        display: flex;
    }
}

/* Logo image */
header .logo img {
    height: 80px; /* προσαρμόζεις το μέγεθος */
    width: auto;
}

/* Footer με νέο background */
footer {
    background: #a0cfbb; /* νέο χρώμα */
    color: black;
    text-align: center;
    padding: 15px;
}

/* Hero slider */
.hero-slider {
    position: relative;
    height: 450px;
    overflow: hidden;
}

.hero-slider .slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    opacity: 0;
    transition: opacity 1s;
}

.hero-slider .slide.active {
    opacity: 1;
}

.hero-text {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
}

/* Services grid */
.services-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    padding-bottom: 20px;
}

.service-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    width: 250px;
    text-align: center;
    transition: transform 0.3s;
}

.service-card img {
    width: 100%;
    border-radius: 10px 10px 0 0;
}

.service-card:hover {
    transform: translateY(-10px);
}

/* Responsive */
@media(max-width:768px){
    .services-grid{
        flex-direction: column;
        align-items: center;
    }
}

/* Contact form */
.contact form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    margin: auto;
}

.contact input,
.contact textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
}

.contact button {
    padding: 10px;
    border: none;
    background: #4CAF50;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}

.contact {
    font-family: 'Advent Pro', sans-serif;
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
}

.contact h2 {
    text-align: center;
    font-weight: 600;
    margin-bottom: 20px;
    color: black;
}

.contact form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact input,
.contact textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: 'Advent Pro', sans-serif;
    font-size: 1rem;
    color: black;
}

.contact button {
    padding: 12px;
    background: #a0cfbb; /* ίδιο με header/footer */
    color: black;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.contact button:hover {
    background: #8fb9a7;
}

.success-msg {
    color: green;
    text-align: center;
    font-weight: 500;
}

.error-msg {
    color: red;
    text-align: center;
    font-weight: 500;
}

/* Hero */
.hero {
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    position: relative;
}

.hero-text {
    background: rgba(0,0,0,0.5);
    padding: 20px 30px;
    border-radius: 10px;
    font-family: 'Advent Pro', sans-serif;
}

/* About Section */
.about-section {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: 'Advent Pro', sans-serif;
    color: black;
}

.about-intro h2 {
    font-weight: 600;
    margin-bottom: 15px;
}

.about-intro p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Team Grid */
.team-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.team-card {
    background: #f9f9f9;
    border-radius: 10px;
    width: 250px;
    text-align: center;
    padding-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.3s;
}

.team-card img {
    width: 100%;
    border-radius: 10px 10px 0 0;
}

.team-card h3 {
    margin-top: 10px;
    font-weight: 600;
}

.team-card p {
    font-size: 0.9rem;
    color: #555;
}

.team-card:hover {
    transform: translateY(-5px);
}

/* Responsive */
@media (max-width: 768px) {
    .team-grid {
        flex-direction: column;
        align-items: center;
    }
}

.services-home h2{
    text-align: center;
}

.top-bar-message {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    font-family: 'Advent Pro', sans-serif;
    font-size: 1rem;
}

.social-icons {
    margin-top: 10px;
}

.social-icons a {
    margin: 0 5px;
    display: inline-block;
}

.social-icon {
    width: 50px;
    height: 50px;
    vertical-align: middle;
    transition: transform 0.2s;
}

.social-icon:hover {
    transform: scale(1.2);
}

footer {
    background: #2c3e50;
    color: #fff;
    padding: 40px 20px 20px;
    font-family: 'Advent Pro', sans-serif;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.footer-column {
    flex: 1;
    min-width: 220px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #a0cfbb;
}

.footer-column p,
.footer-column a {
    font-size: 0.95rem;
    color: #fff;
    text-decoration: none;
    line-height: 1.6;
}

.footer-column a:hover {
    text-decoration: underline;
}

.social-icons {
    gap: 10px;
    margin-top: 10px;
}

.social-icon {
    width: 50px;
    height: 50px;
    transition: transform 0.2s;
}

.social-icon:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    margin-top: 25px;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 10px;
}

/* Hamburger menu μόνο για κινητό */
@media (max-width: 768px) {
    /* Κρύψε τα nav links αρχικά */
    header nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        width: 60%;
        background: #fff;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
        padding: 20px 0;
        gap: 0;
        z-index: 1000;
    }

    header nav a {
        padding: 15px 20px;
        color: #333;
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }

    header nav a:last-child {
        border-bottom: none;
    }

    /* Όταν ανοίγει */
    header nav.active {
        display: flex;
    }

    /* Hamburger εμφανίζεται */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        cursor: pointer;
        z-index: 1001;
    }

    .menu-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: #333;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    /* Animate σε X όταν ανοιχτό */
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* ================= MOBILE SLIDE MENU ================= */

.overlay{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.5);
opacity:0;
visibility:hidden;
transition:0.3s;
z-index:998;
}

.overlay.active{
opacity:1;
visibility:visible;
}

.menu-toggle{
display:none;
flex-direction:column;
cursor:pointer;
gap:6px;
z-index:1001;
}

.menu-toggle span{
width:28px;
height:3px;
background:#333;
transition:0.3s;
}

/* animation hamburger -> X */

.menu-toggle.active span:nth-child(1){
transform:rotate(45deg) translate(5px,5px);
}

.menu-toggle.active span:nth-child(2){
opacity:0;
}

.menu-toggle.active span:nth-child(3){
transform:rotate(-45deg) translate(6px,-6px);
}

/* MOBILE */

@media (max-width:768px){

.menu-toggle{
display:flex;
}

.nav-links{
position:fixed;
top:0;
left:-100%;
width:75%;
height:100vh;
background:#fff;
flex-direction:column;
padding-top:120px;
transition:0.35s;
z-index:999;
}

.nav-links a{
padding:18px 25px;
font-size:1.2rem;
border-bottom:1px solid #eee;
}

.nav-links.active{
left:0;
}

}

/* CONTACT SECTION */

.contact{
max-width:1100px;
margin:60px auto;
padding:20px;
}

.contact h2{
text-align:center;
margin-bottom:40px;
}

.contact-container{
display:flex;
gap:40px;
align-items:flex-start;
}

/* FORM */

.contact-form{
flex:1;
background:#f9f9f9;
padding:25px;
border-radius:10px;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

.contact-form form{
display:flex;
flex-direction:column;
gap:15px;
}

.contact-form input,
.contact-form textarea{
padding:12px;
border-radius:6px;
border:1px solid #ccc;
font-family:'Advent Pro', sans-serif;
}

.contact-form textarea{
min-height:120px;
resize:vertical;
}

.contact-form button{
background:#a0cfbb;
border:none;
padding:12px;
font-weight:600;
cursor:pointer;
border-radius:6px;
transition:0.3s;
}

.contact-form button:hover{
background:#8fb9a7;
}

/* INFO */

.contact-info{
flex:1;
}

.contact-info h3{
margin-bottom:10px;
}

.contact-info p{
margin:5px 0;
}

/* MAP */

.map{
margin-top:20px;
border-radius:10px;
overflow:hidden;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

/* MOBILE */

@media(max-width:768px){

.contact-container{
flex-direction:column;
}

}

.contact-details a{
text-decoration:none;
color:#333;
font-weight:500;
transition:0.2s;
}

.contact-details a:hover{
color:#a0cfbb;
}

/* ===== MOBILE CONTACT FIX ===== */

@media (max-width:768px){

.contact{
padding:20px 15px;
margin:30px auto;
}

.contact-container{
flex-direction:column;
gap:25px;
}

.contact-form{
width:100%;
padding:20px;
}

.contact-form input,
.contact-form textarea{
font-size:16px; /* αποτρέπει zoom στο iphone */
}

.contact-form button{
width:100%;
font-size:16px;
}

.contact-info{
width:100%;
text-align:left;
}

.contact-details p{
font-size:1rem;
line-height:1.5;
}

.map iframe{
width:100%;
height:250px;
border-radius:8px;
}

}

.contact-subtitle{
text-align:center;
max-width:600px;
margin:0 auto 35px auto;
font-size:1.05rem;
color:#555;
line-height:1.6;
}

.scroll-top{
position:fixed;
bottom:25px;
right:25px;
width:60px;
height:60px;
cursor:pointer;
display:flex;
align-items:center;
justify-content:center;
opacity:0;
transform:translateY(20px);
transition:0.3s;
z-index:999;
}

.scroll-top.show{
opacity:1;
transform:translateY(0);
}

.arrow{
position:absolute;
font-size:20px;
color:#333;
}

.progress-ring{
transform:rotate(-90deg);
}

.progress-ring-circle{
stroke-dasharray:163;
stroke-dashoffset:163;
transition:stroke-dashoffset 0.2s;
}

.hero {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: rgba(0,0,0,0.4); /* dark overlay για πιο καθαρό κείμενο */
    z-index:1;
}

.hero-text {
    position: relative;
    z-index:2;
    color: white;
    text-align: center;
}

.team-card {
    background:#fff;
    border-radius:10px;
    box-shadow:0 4px 15px rgba(0,0,0,0.1);
    overflow:hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align:center;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow:0 8px 20px rgba(0,0,0,0.2);
}

.team-info {
    padding:15px;
}

.team-social {
    margin-top:10px;
    display:flex;
    justify-content:center;
    gap:10px;
}

.team-social .social-icon {
    width:30px;
    height:30px;
    transition: transform 0.2s;
}

.team-social .social-icon:hover {
    transform: scale(1.2);
}

/* Responsive */
@media(max-width:768px){
    .team-grid{
        flex-direction: column;
        align-items:center;
    }
}

.gallery {
    padding: 60px 20px;
    text-align: center;
}

.gallery h2 {
    margin-bottom: 30px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    max-width: 1100px;
    margin: auto;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

.gallery-grid img:hover {
    transform: scale(1.05);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    max-width: 1100px;
    margin: auto;
}

.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

/* TABLET */
@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* MOBILE */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .gallery-grid img {
        height: 220px;
        border-radius: 12px;
    }
}